aws-event-rule-disabler.js

#!/usr/bin/env node

/*
This will disable all EventBridge rules for a given prefix

Steps:
- lists all rules for a given prefix
    - for all rules found, disables it

example:
AWS_PROFILE=admin AWS_REGION=us-west-2 \
RULE_PREFIX='lambda-export-' \
    node ./EventBridge/DisableByPrefix

*/

// validate params
[
    'RULE_PREFIX',
].forEach( (name) => {
    if ( !( name in process.env ) ) {
        console.error(`required env var not found: ${name}`)
        process.exit(1)
    }
});

// deps
const AWS = require('aws-sdk')

// aws clients
const eventbridge = new AWS.EventBridge()

// list rules
const NamePrefix = process.env.RULE_PREFIX
eventbridge.listRules({ NamePrefix }).promise()
    .catch( error => {
        error.message = `failed to get rules: ${error.message}`
        throw error
    })
    .then( r => {

        // disable each rule
        const results = r.Rules.map( rule => {

            // disable rule
            return eventbridge.disableRule({ Name: rule.Name }).promise()
                .then( _ => rule.Name )
                .catch( error => {
                    error.message = `failed to disable rules: ${error.message}`
                    throw error
                })

        })

        // wait
        return Promise.all( results )

    })
    .then( results => {
        console.info("disabled rules", {
            NamePrefix: process.env.RULE_PREFIX,
            count: results.length,
            results,
        })
    })
    .catch( error => {
        console.error("failed", { error })
    })